If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15^2+4b-4=0
We add all the numbers together, and all the variables
4b+221=0
We move all terms containing b to the left, all other terms to the right
4b=-221
b=-221/4
b=-55+1/4
| y−2=3 | | 3x+8-8x=13-16x+11x-5 | | 6−2x=3 | | C(10,000)=500,000+20x | | C(x)=500,000+20x | | Z2-6z-17=0 | | 2x+3x+5-15+5x=180 | | 12x-4=12x+8 | | -2/5+1/6x=-4/5 | | 7(2x-4)+5+28=6(3x-4) | | 7(2x-4)+5+28=6(3x-4( | | -15y+8=-4(2y+) | | 40-8(4)=f | | w-(-9)=10 | | 11x-6.5+3x=5.5+8x | | 4x-7=3(2x-5) | | -8/5+c=-2 | | -8(k-5)+8=88 | | -4(x+3)-6=2 | | (n-2)-5=8-2(n-3) | | (n-2)-5=8-2(n-3 | | 7(a+1)-5a=5+2(4a-2) | | 4x+7x+1=3x+9 | | 1.2x+2.4=6 | | H(t)=-16t^2+80t+32 | | (7x+1)+(20x-10)=180 | | N-1=11-2n | | 17+6x=4(1+x)+1 | | -6x-4x=1 | | 2(3x-7=+6=4x-3)2-2x) | | (3x+7)(4x-7)=0 | | (3c)-(2.5)=4.1 |